shortcuttrigger: Fix some leaks in error paths

Found while running the testsuite under asan.

diff --git a/gtk/gtkshortcuttrigger.c b/gtk/gtkshortcuttrigger.c
index 15268ef464c7c3e9b21a0ec055e77278b817506f..65e3164b5b2744245e51e12e25a694d682edd49f 100644 (file)
--- a/gtk/gtkshortcuttrigger.c
+++ b/gtk/gtkshortcuttrigger.c
@@ -142,11 +142,17 @@ gtk_shortcut_trigger_parse_string (const char *string)
 
       /* empty first slot */
       if (*frag_a == '\0')
-        return NULL;
+        {
+          g_free (frag_a);
+          return NULL;
+        }
 
       /* empty second slot */
       if (*frag_b == '\0')
-        return NULL;
+        {
+          g_free (frag_a);
+          return NULL;
+        }
 
       t1 = gtk_shortcut_trigger_parse_string (frag_a);
       if (t1 == NULL)